Home / 35,170.90-48,558.48-31,387.58

Finding the Fourth Proportional to 35,170.90, 48,558.48 and 31,387.58

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Solution

The fourth proportional to 35,170.90, 48,558.48 and 31,387.58 is: 43,335.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,170.90 : 48,558.48 = 31,387.58 : x
  2. Step 2: Convert to fraction form
    35,170.90/48,558.48 = 31,387.58/x
  3. Step 3: Cross multiply
    35,170.90x = 48,558.48 × 31,387.58
  4. Step 4: Simplify right side
    35,170.90x = 1,524,133,175.68
  5. Step 5: Solve for x
    x = 1,524,133,175.68/35,170.90
  6. Step 6: Final answer
    x = 43,335.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.